<template>
  <div class="app-container">
    <!--工具栏-->
    <div class="head-container">
      <div v-if="crud.props.searchToggle">
        <!-- 搜索 -->
        <el-input
          v-model="query.blurry"
          size="small"
          clearable
          placeholder="输入名称或者描述搜索"
          style="width: 200px;"
          class="filter-item"
          @keyup.enter.native="crud.toQuery"
        />
        <date-range-picker v-model="query.createTime" class="date-item" />
        <rrOperation />
      </div>
      <crudOperation :permission="permission" />
    </div>
    <!-- 表单渲染 -->
    <el-dialog
      append-to-body
      :close-on-click-modal="false"
      :before-close="crud.cancelCU"
      :visible.sync="crud.status.cu > 0"
      :title="crud.status.title"
      width="600px"
    >
      <el-form ref="form" :inline="true" :model="form" :rules="rules" size="small" label-width="80px">
        <el-form-item label="角色名称" prop="name">
          <el-input v-model="form.name" style="width: 380px;" />
        </el-form-item>
        <el-form-item label="角色级别" prop="level">
          <el-input-number v-model.number="form.grade" :min="1" controls-position="right" style="width: 145px;" />
        </el-form-item>
        <el-form-item label="数据范围" prop="dataScope">
          <el-select v-model="form.dataScope" style="width: 140px" placeholder="请选择数据范围" @change="changeScope">
            <el-option
              v-for="item in dateScopes"
              :key="item"
              :label="item"
              :value="item"
            />
          </el-select>
        </el-form-item>
        <el-form-item v-if="form.dataScope === '自定义'" label="数据权限" prop="depts">
          <treeselect
            v-model="form.depts"
            :load-options="loadDepts"
            :options="depts"
            multiple
            style="width: 380px"
            placeholder="请选择"
          />
        </el-form-item>
        <el-form-item label="描述信息" prop="description">
          <el-input v-model="form.description" style="width: 380px;" rows="5" type="textarea" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="text" @click="crud.cancelCU">取消</el-button>
        <el-button :loading="crud.status.cu === 2" type="primary" @click="crud.submitCU">确认</el-button>
      </div>
    </el-dialog>
    <el-row :gutter="15">
      <!--角色管理-->
      <el-col :xs="24" :sm="24" :md="8" :lg="9" :xl="7" style="margin-bottom: 10px">
        <el-card class="box-card" shadow="never">
          <div slot="header" class="clearfix">
            <span class="role-span">角色列表</span>
          </div>
          <el-table
            ref="table"
            v-loading="crud.loading"
            highlight-current-row
            style="width: 100%;"
            :data="crud.data"
            @selection-change="crud.selectionChangeHandler"
            @current-change="handleCurrentChange"
          >
            <el-table-column :selectable="checkboxT" type="selection" width="55" />
            <el-table-column prop="name" label="名称" />
            <el-table-column :show-overflow-tooltip="true" width="135px" prop="createTime" label="创建日期">
              <template slot-scope="scope">
                <span>{{ parseTime(scope.row.createTime) }}</span>
              </template>
            </el-table-column>
            <el-table-column
              v-permission="['admin','roles:edit','roles:del']"
              label="操作"
              width="130px"
              align="center"
              fixed="right"
            >
              <template slot-scope="scope">
                <udOperation
                  v-if="scope.row.grade >= grade"
                  :data="scope.row"
                  :permission="permission"
                />
              </template>
            </el-table-column>
          </el-table>
          <!--分页组件-->
          <pagination />
        </el-card>
      </el-col>
      <!--岗位成员-->
      <el-col :xs="24" :sm="24" :md="8" :lg="9" :xl="9">
        <el-card class="box-card" shadow="never">
          <div slot="header" class="clearfix">
            <span>岗位成员</span>
            <el-button
              v-permission="['admin','roles:edit']"
              :disabled="!showButton"
              :loading="memberLoading"
              size="mini"
              style="float: right; padding: 6px 9px"
              type="primary"
              icon="el-icon-plus"
              @click="$refs.member && $refs.member.crud.toAdd()"
            >新增
            </el-button>
          </div>
          <member ref="member" :permission="permission" />
        </el-card>
      </el-col>
      <!-- 菜单授权 -->
      <el-col :xs="24" :sm="24" :md="8" :lg="6" :xl="6">
        <el-card class="box-card" shadow="never">
          <div slot="header" class="clearfix">
            <el-tooltip class="item" effect="dark" content="选择指定角色分配菜单" placement="top">
              <span class="role-span">菜单分配</span>
            </el-tooltip>
            <el-button
              v-permission="['admin','roles:edit']"
              :disabled="!showButton"
              :loading="menuLoading"
              icon="el-icon-check"
              size="mini"
              style="float: right; padding: 6px 9px"
              type="primary"
              @click="saveMenu"
            >保存
            </el-button>
          </div>
          <el-tree
            ref="menu"
            lazy
            :data="menus"
            :default-checked-keys="menuIds"
            :load="getMenuDatas"
            :props="defaultProps"
            check-strictly
            accordion
            show-checkbox
            node-key="id"
            @check="menuChange"
          />
        </el-card>
      </el-col>
    </el-row>
  </div>
</template>

<script>
import checkPermission from '@/utils/permission';
import crudRoles from '@/api/system/role';
import { getDepts, getDeptSuperior } from '@/api/system/dept';
import { getMenusTree } from '@/api/system/menu';
import CRUD, { presenter, header, form, crud } from '@crud/crud';
import rrOperation from '@crud/RR.operation';
import crudOperation from '@crud/CRUD.operation';
import udOperation from '@crud/UD.operation';
import pagination from '@crud/Pagination';
import Treeselect from '@riophae/vue-treeselect';
import '@riophae/vue-treeselect/dist/vue-treeselect.css';
import { LOAD_CHILDREN_OPTIONS } from '@riophae/vue-treeselect';
import DateRangePicker from '@/components/DateRangePicker';
import member from '@/views/system/role/member';

const defaultForm = { id: null, name: null, depts: [], description: null, dataScope: '全部', grade: 3 };
export default {
  name: 'Role',
  components: { Treeselect, pagination, crudOperation, rrOperation, udOperation, DateRangePicker, member },
  cruds() {
    return CRUD({ title: '角色', url: 'rest/api/role', sort: 'grade,asc', crudMethod: { ...crudRoles }});
  },
  mixins: [presenter(), header(), form(defaultForm), crud()],
  data() {
    return {
      defaultProps: { children: 'children', label: 'label', isLeaf: 'leaf' },
      dateScopes: ['全部', '本级', '自定义'], grade: 3,
      currentId: 0, menuLoading: false, memberLoading: false, showButton: false,
      menus: [], menuIds: [], depts: [],
      permission: {
        add: ['admin', 'roles:add'],
        edit: ['admin', 'roles:edit'],
        del: ['admin', 'roles:del']
      },
      rules: {
        name: [
          { required: true, message: '请输入名称', trigger: 'blur' }
        ],
        permission: [
          { required: true, message: '请输入权限', trigger: 'blur' }
        ]
      }
    };
  },
  created() {
    crudRoles.getLevel().then(data => {
      this.grade = data.grade;
    });
  },
  methods: {
    checkPermission,
    getMenuDatas(node, resolve) {
      setTimeout(() => {
        getMenusTree(node.data.id ? node.data.id : 0).then(res => {
          resolve(res);
        });
      }, 100);
    },
    [CRUD.HOOK.afterRefresh]() {
      this.$refs.menu.setCheckedKeys([]);
    },
    [CRUD.HOOK.beforeRefresh]() {
      if (this.$refs.member) {
        // this.$refs.member.query.role.id = null
      }
      return true;
    },
    // 编辑前
    [CRUD.HOOK.beforeToEdit](crud, form) {
      if (form.dataScope === '自定义') {
        if (form.id == null) {
          this.getDepts();
        } else {
          this.getSupDepts(form.depts);
        }
      }
      const depts = [];
      form.depts.forEach(function(dept) {
        depts.push(dept.id);
      });
      form.depts = depts;
    },
    // 提交前做的操作
    [CRUD.HOOK.afterValidateCU](crud) {
      if (crud.form.dataScope === '自定义' && crud.form.depts.length === 0) {
        this.$message({
          message: '自定义数据权限不能为空',
          type: 'warning'
        });
        return false;
      } else if (crud.form.dataScope === '自定义') {
        const depts = [];
        crud.form.depts.forEach(function(data) {
          const dept = { id: data };
          depts.push(dept);
        });
        crud.form.depts = depts;
      } else {
        crud.form.depts = [];
      }
      return true;
    },
    [CRUD.HOOK.afterAddError](crud) {
      this.afterErrorMethod(crud);
    },
    [CRUD.HOOK.afterEditError](crud) {
      this.afterErrorMethod(crud);
    },
    afterErrorMethod(crud) {
      const depts = [];
      crud.form.depts.forEach(function(dept) {
        depts.push(dept.id);
      });
      crud.form.depts = depts;
    },
    // 触发单选
    handleCurrentChange(val) {
      if (val) {
        const _this = this;
        // 清空菜单的选中
        this.$refs.menu.setCheckedKeys([]);
        this.$refs.member.roleId = val.id;
        this.$refs.member.query.roleId = val.id;
        this.$refs.member.crud.toQuery();
        // 保存当前的角色id
        this.currentId = val.id;
        // 初始化默认选中的key
        this.menuIds = [];
        val.menus.forEach(function(data) {
          _this.menuIds.push(data.id);
        });
        this.showButton = true;
      }
    },
    menuChange(menu) {
      // 判断是否在 menuIds 中，如果存在则删除，否则添加
      const index = this.menuIds.indexOf(menu.id);
      if (index !== -1) {
        this.menuIds.splice(index, 1);
      } else {
        this.menuIds.push(menu.id);
      }
    },
    // 保存菜单
    saveMenu() {
      this.menuLoading = true;
      const role = { id: this.currentId, menus: [] };
      // 得到已选中的 key 值
      this.menuIds.forEach(function(id) {
        const menu = { id: id };
        role.menus.push(menu);
      });
      crudRoles.editMenu(role).then(() => {
        this.crud.notify('保存成功', CRUD.NOTIFICATION_TYPE.SUCCESS);
        this.menuLoading = false;
        this.update();
      }).catch(err => {
        this.menuLoading = false;
        console.log(err.response.data.message);
      });
    },
    // 改变数据
    update() {
      // 无刷新更新 表格数据
      crudRoles.get(this.currentId).then(res => {
        for (let i = 0; i < this.crud.data.length; i++) {
          if (res.id === this.crud.data[i].id) {
            this.crud.data[i] = res;
            break;
          }
        }
      });
    },
    // 获取部门数据
    getDepts() {
      getDepts({ enabled: true }).then(res => {
        this.depts = res.content.map(function(obj) {
          if (obj.hasChildren) {
            obj.children = null;
          }
          return obj;
        });
      });
    },
    getSupDepts(depts) {
      const ids = [];
      depts.forEach(dept => {
        ids.push(dept.id);
      });
      getDeptSuperior(ids).then(res => {
        const date = res.content;
        this.buildDepts(date);
        this.depts = date;
      });
    },
    buildDepts(depts) {
      depts.forEach(data => {
        if (data.children) {
          this.buildDepts(data.children);
        }
        if (data.hasChildren && !data.children) {
          data.children = null;
        }
      });
    },
    // 获取弹窗内部门数据
    loadDepts({ action, parentNode, callback }) {
      if (action === LOAD_CHILDREN_OPTIONS) {
        getDepts({ enabled: true, pid: parentNode.id }).then(res => {
          parentNode.children = res.content.map(function(obj) {
            if (obj.hasChildren) {
              obj.children = null;
            }
            return obj;
          });
          setTimeout(() => {
            callback();
          }, 200);
        });
      }
    },
    // 如果数据权限为自定义则获取部门数据
    changeScope() {
      if (this.form.dataScope === '自定义') {
        this.getDepts();
      }
    },
    checkboxT(row) {
      return row.level >= this.level;
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
  .role-span {
    font-weight: bold;
    color: #303133;
    font-size: 15px;
  }
</style>

<style rel="stylesheet/scss" lang="scss" scoped>
  ::v-deep .el-input-number .el-input__inner {
    text-align: left;
  }

  ::v-deep .vue-treeselect__multi-value {
    margin-bottom: 0;
  }

  ::v-deep .vue-treeselect__multi-value-item {
    border: 0;
    padding: 0;
  }
</style>
